Emily Dickinson Lexicon

SICK, a. [Sax. seoc; D. zieck; Sw. siuk; Ice. syke. Qu. Gr. σικχος, squeamish, lothing.]

1. Affected with nausea; inclined to vomit; as, sick at the stomach. [This is probably the sense of the word.] Hence,
2. Disgusted; having a strong dislike to; with of; to be sick of flattery; to be sick of a country life. He was not so sick of his master as of his work. – L'Estrange.
3. Affected with disease of any kind; not in health; followed by of; as, to be sick of a fever.
4. Corrupted. [Not in use nor proper.] – Shak.
5. The sick, the person or persons affected with disease. The sick are healed.